export function showCal(){  
    var D=new Date();  
    var yy=D.getFullYear();  
    var mm=D.getMonth()+1;  
    var dd=D.getDate();  
    var ww=D.getDay();  
    var ss=parseInt(D.getTime() / 1000);  
    if (yy<100) yy="19"+yy;  
    return GetLunarDay(yy,mm,dd);  
}   
  
//定义全局变量  
var CalendarData=new Array(100);  
var madd=new Array(12);  
var tgString="甲乙丙丁戊己庚辛壬癸";  
var dzString="子丑寅卯辰巳午未申酉戌亥";  
var numString="一二三四五六七八九十";  
var monString="正二三四五六七八九十冬腊";  
var weekString="日一二三四五六";  
var sx="鼠牛虎兔龙蛇马羊猴鸡狗猪";  
var cYear,cMonth,cDay,TheDate;  
CalendarData = new Array(0xA4B,0x5164B,0x6A5,0x6D4,0x415B5,0x2B6,0x957,0x2092F,0x497,0x60C96,0xD4A,0xEA5,0x50DA9,0x5AD,0x2B6,0x3126E, 0x92E,0x7192D,0xC95,0xD4A,0x61B4A,0xB55,0x56A,0x4155B, 0x25D,0x92D,0x2192B,0xA95,0x71695,0x6CA,0xB55,0x50AB5,0x4DA,0xA5B,0x30A57,0x52B,0x8152A,0xE95,0x6AA,0x615AA,0xAB5,0x4B6,0x414AE,0xA57,0x526,0x31D26,0xD95,0x70B55,0x56A,0x96D,0x5095D,0x4AD,0xA4D,0x41A4D,0xD25,0x81AA5,0xB54,0xB6A,0x612DA,0x95B,0x49B,0x41497,0xA4B,0xA164B, 0x6A5,0x6D4,0x615B4,0xAB6,0x957,0x5092F,0x497,0x64B, 0x30D4A,0xEA5,0x80D65,0x5AC,0xAB6,0x5126D,0x92E,0xC96,0x41A95,0xD4A,0xDA5,0x20B55,0x56A,0x7155B,0x25D,0x92D,0x5192B,0xA95,0xB4A,0x416AA,0xAD5,0x90AB5,0x4BA,0xA5B, 0x60A57,0x52B,0xA93,0x40E95);  
madd[0]=0;  
madd[1]=31;  
madd[2]=59;  
madd[3]=90;  
madd[4]=120;  
madd[5]=151;  
madd[6]=181;  
madd[7]=212;  
madd[8]=243;  
madd[9]=273;  
madd[10]=304;  
madd[11]=334;  
   
export function GetBit(m,n){  
    return (m>>n)&1;  
}  
//农历转换  
export function e2c(){  
    TheDate= (arguments.length!=3) ? new Date() : new Date(arguments[0],arguments[1],arguments[2]);  
    var total,m,n,k;  
    var isEnd=false;  
    var tmp=TheDate.getYear();  
    if(tmp<1900){  
        tmp+=1900;  
    }  
    total=(tmp-1921)*365+Math.floor((tmp-1921)/4)+madd[TheDate.getMonth()]+TheDate.getDate()-38;  
   
    if(TheDate.getYear()%4==0&&TheDate.getMonth()>1) {  
        total++;  
    }  
    for(m=0;;m++){  
        k=(CalendarData[m]<0xfff)?11:12;  
        for(n=k;n>=0;n--){  
            if(total<=29+GetBit(CalendarData[m],n)){  
                isEnd=true; break;  
            }  
             total=total-29-GetBit(CalendarData[m],n);  
        }  
        if(isEnd) break;  
    }  
    cYear=1921 + m;  
    cMonth=k-n+1;  
    cDay=total;  
    if(k==12){  
         if(cMonth==Math.floor(CalendarData[m]/0x10000)+1){  
            cMonth=1-cMonth;  
         }  
        if(cMonth>Math.floor(CalendarData[m]/0x10000)+1){  
            cMonth--;  
         }  
    }  
}  
   
export function GetcDateString(){  
    var tmp="";  
    /*显示农历年：（ 如：甲午(马)年 ）*/  
    /*tmp+=tgString.charAt((cYear-4)%10); 
    tmp+=dzString.charAt((cYear-4)%12); 
    tmp+="("; 
    tmp+=sx.charAt((cYear-4)%12); 
    tmp+=")年 ";*/  
    if(cMonth<1){  
        tmp+="(闰)";  
        tmp+=monString.charAt(-cMonth-1);  
    }else{  
        tmp+=monString.charAt(cMonth-1);  
    }  
    tmp+="月";  
    tmp+=(cDay<11)?"初":((cDay<20)?"十":((cDay<30)?"廿":"三十"));  
    if (cDay%10!=0||cDay==10){  
        tmp+=numString.charAt((cDay-1)%10);  
    }  
    return tmp;  
}  
   
export function GetLunarDay(solarYear,solarMonth,solarDay){  
    //solarYear = solarYear<1900?(1900+solarYear):solarYear;  
    if(solarYear<1921 || solarYear>2020){  
        return "";  
    }else{  
        solarMonth = (parseInt(solarMonth)>0) ? (solarMonth-1) : 11;  
        e2c(solarYear,solarMonth,solarDay);  
        return GetcDateString();  
    }  
} 